US3480813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable brush holder assembly for commutator of electric motors
Assignee: Necchi SpA
•
Filing: 1967-10-19
•
Granted: 1969-11-25
•
Expires: 1987-10-19
Abstract
No abstract record available.
Inventors
- 👤 Pietro Sillano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:11
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/02; H02K23/18; H01; H01R; H01R39/00; H01R39/02; H01R39/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1043325A
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US1708541A
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US3313966A
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US3339098A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |